CN113483869B - Sheep weight detection system and method - Google Patents
Sheep weight detection system and method Download PDFInfo
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- CN113483869B CN113483869B CN202110748725.9A CN202110748725A CN113483869B CN 113483869 B CN113483869 B CN 113483869B CN 202110748725 A CN202110748725 A CN 202110748725A CN 113483869 B CN113483869 B CN 113483869B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G17/00—Apparatus for or methods of weighing material of special form or property
- G01G17/08—Apparatus for or methods of weighing material of special form or property for weighing livestock
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/40—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups with provisions for indicating, recording, or computing price or other quantities dependent on the weight
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
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Abstract
The invention discloses a sheep weight detection system, which comprises an electronic weighbridge scale and fences arranged at two sides of the electronic weighbridge scale, wherein a detection channel is enclosed between the two fences, an RFID (radio frequency identification) ear tag reader for reading sheep ear tag information is arranged at the inlet end of the detection channel, the RFID ear tag reader is connected with a data processor, and the data processor is connected with the electronic weighbridge scale. According to the sheep weight detection system with the structure, the data of the sheep can be read through the RFID ear tag reader, and then the data processor calculates the weighing data continuously received by the sheep, so that the weight data of the sheep can be obtained, non-contact weighing is realized, and the accuracy and the safety coefficient are higher.
Description
Technical Field
The invention relates to a sheep breeding technology, in particular to a sheep weight detection system and a sheep weight detection method.
Background
In the process of breeding the sheep, the weight of the sheep can reflect the growth and nutrition conditions of the sheep, so the sheep breeding method has an important reference value. Through the monitoring to the weight, breed personnel can carry out reasonable, dynamic regulation to feeding plan, also can formulate different feeding and management scheme according to only the individual of different sheep simultaneously, realize accurate feeding.
At present, the weight of the sheep is measured mainly manually or by using a pound scale with the assistance of an auxiliary clamping device, the method is time-consuming and labor-consuming, the subjectivity is high, the stress reaction of the measured sheep is easily caused, and potential danger and injury are caused to animals and people. Furthermore, such contact measurement methods present potential risks to both the physiological and psychological health of the animal.
Therefore, it is necessary to develop a non-contact, automatic and accurate animal body weight measuring system and method.
Disclosure of Invention
The invention aims to provide a sheep weight detection system, which can read sheep data through an RFID ear tag reader, and then a data processor calculates the weighing data continuously received by the sheep to obtain the sheep weight data, so that non-contact weighing is realized, and the accuracy and the safety coefficient are higher.
In order to achieve the purpose, the invention provides a sheep weight detection system which comprises an electronic weighbridge scale and fences arranged on two sides of the electronic weighbridge scale, wherein a detection channel is formed between the two fences, an RFID (radio frequency identification) ear tag reader used for reading sheep ear tag information is arranged at the inlet end of the detection channel, the RFID ear tag reader is connected with a data processor, and the data processor is connected with the electronic weighbridge scale.
Preferably, the data processor is also connected with a relay and a power switch of the electronic weighbridge.
The method based on the sheep weight detection system comprises the following steps:
s1, the sheep enters the detection channel only from the inlet end of the detection channel, and the RFID ear tag reader senses ear tag information of the sheep and sends the ear tag information to the data processor;
s2, the data processor receives the signal sent by the RFID tag reader, records the tag information, and opens the power switch of the electronic loadometer scale through the relay to make the electronic loadometer scale in the working state;
s3, detecting weighing changes by the electronic weighbridge, sending weighing data to the data processor according to a fixed frequency sequence, dividing the weighing data received in the sequence into a group of N data, wherein N is larger than 1, and discarding the last group of data when the last group of data is less than N data;
s4, calculating the change rate dt between two adjacent data in each group of data:
in the formula, s i Expressed as the previous acquisition time point, s i+1 Is s is i The next acquisition time point of (Gs), Gs i Is s is i Corresponding weighing data, Gs, at the moment i+1 Is s is i+1 Weighing data corresponding to the moment;
s5, calculating N-1 data change rates dt aiming at each group of weighing data, removing two terms with the maximum absolute values, and calculating the average value of the rest N-3 dt
Where dt is the rate of change of the data,
average value of dt;
s6, calculating the average value of each group according to the steps S4 and S5
Then for all
Sorting the values in the order from small to large;
s7, removing the first 20% of the sorted materials from large to small after sorting
Value, remaining 80%
Each group of data corresponding to the value is an effective data group;
s8, sorting each effective data group from small to large, removing the first 10% and the last 10% of data, and calculating the average value of each residual data group;
and S9, removing the maximum average value and the minimum average value from each group of average values obtained, and taking the average value G again from the rest average values, wherein the average value is the measured final body weight value of the sheep.
Preferably, in step S2, the ear tag information includes at least the number information of the sheep.
Preferably, in step S3, N is 20.
Therefore, by adopting the sheep weight detection system with the structure, the data of the sheep can be read by the RFID ear tag reader, and then the data processor calculates the weighing data continuously received by the sheep, so that the weight data of the sheep can be obtained, non-contact weighing is realized, the labor intensity and cost of workers can be effectively reduced, the weight data of the sheep can be accurately and quickly obtained, and the accuracy and the safety factor are higher.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
Fig. 1 is a schematic structural diagram of a sheep weight detection system according to an embodiment of the present invention;
FIG. 2 is a schematic circuit diagram of a sheep weight detection system according to an embodiment of the present invention;
fig. 3 is a logic flow chart of a sheep weight detection system according to an embodiment of the present invention.
Wherein: 1. an RFID tag reader; 2. a data processor; 3. an electronic weigh scale; 4. and (4) fencing.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, and it should be noted that the present embodiment is based on the technical solution, and the detailed implementation and the specific operation process are provided, but the protection scope of the present invention is not limited to the present embodiment.
Fig. 1 is a schematic structural diagram of a sheep weight detection system according to an embodiment of the present invention; FIG. 2 is a schematic circuit diagram of a sheep weight detection system according to an embodiment of the present invention; fig. 3 is a logic flow diagram of a sheep weight detection system according to an embodiment of the present invention, and as shown in the figure, the structure of the present invention includes an electronic weigh scale 3, the present invention further includes fences 4 disposed on two sides of the electronic weigh scale 3, a detection channel is defined between the two fences 4, an RFID tag reader 1 for reading sheep ear tag information is disposed at an inlet end of the detection channel, the RFID tag reader 1 is connected to a data processor 2, and the data processor 2 is further connected to the electronic weigh scale 3.
Preferably, the data processor 2 is also connected with a relay and a power switch of the electronic weighbridge 3.
The method based on the sheep weight detection system comprises the following steps:
s1, the sheep enters the detection channel only from the entrance end of the detection channel, the RFID ear tag reader 1 senses the ear tag information of the sheep and sends the ear tag information to the data processor 2;
s2, the data processor 2 receives the signal sent by the RFID tag reader 1, records the tag information, and opens the power switch of the electronic loadometer scale 3 through the relay to make it in the working state;
preferably, in step S2, the ear tag information at least includes the serial number information of the sheep;
s3, the electronic weighbridge scale 3 detects the weighing change, sends the weighing data to the data processor according to a fixed frequency sequence, then divides the weighing data received in the sequence into a group of N data, wherein N is larger than 1, and discards the last group of data when the last group of data is less than N data (the sheep are only about to leave the weighing area of the electronic weighbridge scale when the last group of data is acquired, so that the sheep are discarded;
preferably, in step S3, N is 20;
s4, calculating the change rate dt between two adjacent data in each group of data:
in the formula, s i Expressed as the previous acquisition time point, s i+1 Is s is i The next acquisition time point of (Gs), Gs i Is s is i Scale with corresponding timeHeavy data, Gs i+1 Is s is i+1 Weighing data corresponding to the moment;
s5, calculating N-1 data change rates dt aiming at each group of weighing data, removing two terms with the maximum absolute values, and calculating the average value of the rest N-3 dt
Where dt is the rate of change of the data,
average value of dt;
s6, calculating the average value of each group according to the steps S4 and S5
Then for all
Sorting the values in the order from small to large;
s7, removing the first 20% of the sorted materials from large to small after sorting
Value, remaining 80%
Each group of data corresponding to the value is an effective data group;
s8, sorting each effective data group from small to large, removing the first 10% and the last 10% of data, and calculating the average value of each residual data group;
and S9, removing the maximum average value and the minimum average value from each group of average values obtained, and taking the average value G again from the rest average values, wherein the average value is the measured final body weight value of the sheep.
Therefore, by adopting the sheep weight detection system with the structure, the sheep data can be read by the RFID ear tag reader, and then the data processor calculates the weighing data continuously received by the sheep, so that the sheep weight data can be obtained, non-contact weighing is realized, and the accuracy and the safety coefficient are higher.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the invention without departing from the spirit and scope of the invention.
Claims (4)
1. The utility model provides a sheep weight detecting system, includes electron weighbridge scale, its characterized in that: the electronic weighbridge is characterized by further comprising fences arranged on two sides of the electronic weighbridge, a detection channel is formed between the two fences in an enclosing mode, an RFID ear tag reader used for reading sheep ear tag information is arranged at the inlet end of the detection channel, the RFID ear tag reader is connected with a data processor, and the data processor is connected with the electronic weighbridge;
the method of the sheep weight detection system comprises the following steps:
s1, the sheep enters the detection channel only from the inlet end of the detection channel, and the RFID ear tag reader senses ear tag information of the sheep and sends the ear tag information to the data processor;
s2, the data processor receives the signal sent by the RFID tag reader, records the tag information, and opens the power switch of the electronic loadometer scale through the relay to make the electronic loadometer scale in the working state;
s3, detecting weighing changes by the electronic weighbridge, sending weighing data to the data processor according to a fixed frequency sequence, dividing the weighing data received in the sequence into a group of N data, wherein N is larger than 1, and discarding the last group of data when the last group of data is less than N data;
s4, calculating the change rate dt between two adjacent data in each group of data:
in the formula, s i Expressed as the previous acquisition time point, s i+1 Is s is i The next acquisition time point, Gs i Is s is i Corresponding weighing data, Gs, at the moment i+1 Is s is i+1 Weighing data corresponding to the moment;
s5, calculating N-1 data change rates dt aiming at each group of weighing data, removing two terms with the maximum absolute values, and calculating the average value of the rest N-3 dt
Wherein dt is a data change rate, j represents the jth change rate data among the N-3 change rates dt,
average value of dt;
s6, calculating the average value of each group according to the steps S4 and S5
Then for all
Sorting the values in the order from small to large;
s7, removing the first 20% of the sorted materials from large to small after sorting
Value, remaining 80%
Each group of data corresponding to the value is an effective data group;
s8, sorting each effective data group from small to large, removing the first 10% and the last 10% of data, and calculating the average value of each residual data group;
and S9, removing the maximum average value and the minimum average value from each group of average values obtained, and taking an average value G again from the rest average values, wherein the average value G is the measured final body weight value of the sheep.
2. The sheep weight detection system according to claim 1, characterized in that: the data processor is also connected with a relay and a power switch of the electronic weighbridge.
3. The sheep weight detection system according to claim 1, characterized in that: in step S2, the ear tag information includes at least the number information of the sheep.
4. The sheep weight detection system according to claim 1, characterized in that: in step S3, N is 20.
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| CN114993430A (en) * | 2022-06-09 | 2022-09-02 | 西南大学 | Wireless real-time dynamic weighing method and device for pigs |
| CN116071417B (en) * | 2023-01-31 | 2024-01-12 | 河北农业大学 | Sheep body ruler weight acquisition system and method based on Azure Kinect |
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| US7129423B2 (en) * | 2003-06-04 | 2006-10-31 | Herdstar, Llc | Automatic livestock weighing system |
| CN103593740A (en) * | 2013-11-27 | 2014-02-19 | 中国农业科学院农业信息研究所 | Mobile agricultural condition information collecting system and method thereof |
| CN106557652A (en) * | 2016-11-14 | 2017-04-05 | 攀钢集团攀枝花钢铁研究院有限公司 | The method of judgement sample detection data dubious value |
| US11867552B2 (en) * | 2017-03-24 | 2024-01-09 | Platinum Agribusiness Pty Ltd | Animal weighing system |
| CN207036233U (en) * | 2017-07-11 | 2018-02-23 | 南京农业大学 | Large-scale pig farm special intelligent electronic scale system |
| CN108151838B (en) * | 2017-12-14 | 2020-10-27 | 深圳市沃特沃德股份有限公司 | Body weight measuring method and device |
| CN108011586B (en) * | 2017-12-29 | 2023-10-20 | 苏州阿特斯阳光电力科技有限公司 | Nominal operating temperature measuring system and nominal operating temperature measuring method |
| CN207688841U (en) * | 2018-01-05 | 2018-08-03 | 内蒙古草原生态畜牧产业研究院股份有限公司 | Sheep develops information collecting device |
| CN109029506B (en) * | 2018-07-13 | 2021-08-17 | 中国联合网络通信集团有限公司 | Signal acquisition method and system |
| CN109341827B (en) * | 2018-11-16 | 2024-02-27 | 浙江大学城市学院 | Sheep raising sheep weighing device and method based on Internet of things data acquisition |
| CN110693468B (en) * | 2019-11-14 | 2023-09-01 | 河北农业大学 | Animal physiological index detection system and detection method thereof |
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